<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>demo24</title>
    <link rel="stylesheet" href="../css/demo24.css"/>
</head>
<body>


<section>
    <div class="a"></div>
    <div class="b"></div>
    <div class="c"></div>
    <div class="d"></div>
    <div class="e"></div>
    <div class="f"></div>
    <div class="g"></div>
    <div class="h"></div>
    <div class="i"></div>
    <div class="j"></div>
</section>

</body>
</html>